Radians Flashcards
1
Q
What is the formula for radians?
A
theta = Arc Length(s) / Radius (r)
2
Q
What is the formula for conversion from degrees to radians?
A
1° = pi/180 rad
3
Q
What is the formula for the length of an arc using radians?
A
Arc length (s) = Radius (r) * theta
4
Q
What is the formula for the area of a sector using Radians?
A
A = 1/2 * Radius (r) ^2 * theta
5
Q
What is the area of a triangle using trigonometry?
A
A = 1/2 ab Sin C
